The PBS NewsHour reported on Chinese artist Ai Weiwei’s 2014 installation in Alcatraz in December.
The Chinese government returned artist and activist Ai Weiwei’s passport Wednesday after holding it since 2011. Ai posted a picture of...

A fin whale, Balaenoptera physalus, in the Mediterranean Sea. These whales contain seven times the amount of the toxic chemical DDT than the same whales in the Atlantic Ocean two decades ago, researchers have found. Photo by F. Bassemayousse
The fin...

The exterior of Camp Delta is seen at the U.S. Naval Base at Guantanamo Bay, March 6, 2013. The administration is finishing up a draft of a plan to close the prison at Guantanamo. Photo by Bob Strong/Reuters
WASHINGTON — A White House spokesman says...

Dylann Roof, the 21-year-old man charged with murdering nine worshippers at a historic black church in Charleston last month, listens to the proceedings with assistant defense attorney William Maguire during a hearing at the Judicial Center in...